Alec Talin, Sandia National Laboratories (image) DOE/Sandia National Laboratories Caption Sandia National Laboratories' Alec Talin inspects a silicon chip coated with a thin oxide layer, an array of platinum electrodes and a MOF film. Optical absorption and interference in the MOF and silicon-dioxide layers give rise to the deep blue color. Credit Dino Vournas, Sandia National Laboratories Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.